Add hexdump test

tests/test_hexdump.py

@@ -0,0 +1,58 @@
+import gdb
+from pwnlib.util.cyclic import cyclic
+
+import pwndbg.config
+import pwndbg.gdblib.memory
+import pwndbg.gdblib.regs
+import pwndbg.vmmap
+import tests
+
+BINARY = tests.binaries.get("reference-binary.out")
+
+
+def run_tests(stack, use_big_endian, expected):
+    pwndbg.config.hexdump_group_use_big_endian = use_big_endian
+
+    # Put some data onto the stack
+    pwndbg.gdblib.memory.write(stack, cyclic(0x100))
+
+    # Test empty hexdump
+    result = gdb.execute("hexdump 0", to_string=True)
+    assert result == "0x000000  \n"
+
+    results = []
+    # TODO: Repetition is not working in tests
+    results.append(gdb.execute(f"hexdump {stack} 64", to_string=True))
+    results.append(gdb.execute(f"hexdump {stack} 3", to_string=True))
+
+    assert len(results) == len(expected)
+    for i, result in enumerate(results):
+        expected_result = expected[i]
+        assert result == expected_result
+
+
+def test_hexdump(start_binary):
+    start_binary(BINARY)
+    pwndbg.config.hexdump_group_width = -1
+
+    # TODO: Setting theme options with Python isn't working
+    gdb.execute("set hexdump-byte-separator")
+    stack_addr = pwndbg.gdblib.regs.rsp - 0x100
+
+    expected = [
+        f"""+0000 0x{stack_addr:x}  6161616261616161 6161616461616163 │aaaabaaa│caaadaaa│
++0010 0x{stack_addr+0x10:x}  6161616661616165 6161616861616167 │eaaafaaa│gaaahaaa│
++0020 0x{stack_addr+0x20:x}  6161616a61616169 6161616c6161616b │iaaajaaa│kaaalaaa│
++0030 0x{stack_addr+0x30:x}  6161616e6161616d 616161706161616f │maaanaaa│oaaapaaa│\n""",
+        f"""+0000 0x{stack_addr:x}            616161                  │aaa     │        │\n""",
+    ]
+    run_tests(stack_addr, True, expected)
+
+    expected = [
+        f"""+0000 0x{stack_addr:x}  6161616162616161 6361616164616161 │aaaabaaa│caaadaaa│
++0010 0x{stack_addr+0x10:x}  6561616166616161 6761616168616161 │eaaafaaa│gaaahaaa│
++0020 0x{stack_addr+0x20:x}  696161616a616161 6b6161616c616161 │iaaajaaa│kaaalaaa│
++0030 0x{stack_addr+0x30:x}  6d6161616e616161 6f61616170616161 │maaanaaa│oaaapaaa│\n""",
+        f"""+0000 0x{stack_addr:x}  616161                            │aaa     │        │\n""",
+    ]
+    run_tests(stack_addr, False, expected)